There are fans in the hovercraft that direct air downwards. The
air is 'trapped' by the flexible skirt around the edge of the craft
- this creates a cushion of air strong enough to allow the craft to
float.
Which has a greater momentum 10 kg body moving at 10 ms or a 20 kg body moving at 5 ms
A 500 kg truck moving at 30 ms strikes a parked 300 kg car they connect together and move forward What is the speed of the car and truck as they move forward connected together after the collision
What is the momentum of a 50-kilogram ice skater gliding across the ice at a speed of 5 ms
A hammer is dropped off a roof of an apartment building that is 80 meters high How long will it take to hit the ground
You are driving down the road and hit a bump which causes your fishing tackle box to bounce out of the bed of your pickup The box decelerates at a rate of 3 ms and skids 24 meters before coming to
A race car accelerates from rest at a rate of 6 ms How fast will the car be going after 5 seconds
A race car starts from rest and accelerates uniformly to a speed of 40 ms in 8.0 seconds how far will the car travel during the 8 seconds